Maine Cosmetologist Practice Exam 2025 - Free Cosmetology Practice Questions and Study Guide

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What is the primary function of the epidermis?

To regulate temperature

To protect underlying tissues and organs

The primary function of the epidermis is to protect underlying tissues and organs. The epidermis is the outermost layer of skin and serves as the first line of defense against environmental hazards, such as pathogens, chemicals, and physical abrasions. This protective barrier is crucial for maintaining overall skin health and plays a vital role in preventing infections and minimizing damage from external elements.

Additionally, the epidermis helps prevent water loss, ensuring that essential bodily functions are not compromised by dehydration. Its structure, composed of tightly packed cells, enhances its protective capabilities. Other skin layers and structures, such as the dermis and subcutaneous tissue, have distinct functions, but the main role of the epidermis centers around safeguarding the body's internal systems.

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To absorb nutrients

To facilitate waste removal

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